Home / 351,952-770,420

Finding the Third Proportional to 351,952 and 770,420

Calculator

Solution

The third proportional to 351,952 and 770,420 is: 1,686,442.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,952 : 770,420 = 770,420 : x
  2. Step 2: Convert to fraction form
    351,952/770,420 = 770,420/x
  3. Step 3: Cross multiply
    351,952x = 770,420 × 770,420
  4. Step 4: Simplify right side
    351,952x = 593,546,976,400
  5. Step 5: Solve for x
    x = 593,546,976,400/351,952
  6. Step 6: Final answer
    x = 1,686,442.97

Related Problems

Find third proportional to 175,976 and 385,210
Half scale
Find third proportional to 703,904 and 1,540,840
Double scale
Find third proportional to 351,954 and 770,424
Similar ratio
Find third proportional to 527,928 and 1,155,630
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.